Add H.264 decoding by utilizing OpenH264 from Cisco #22700

Job	Run time
Paths filter	6s
Check dependencies	1m 29s
Test Rust stable / ubuntu-22.04	2m 45s
Test Rust stable / windows-latest	5m 27s
Test Rust stable / macos-14	3m 21s
Lints with Rust stable	3m 11s
Test Rust nightly / ubuntu-22.04	6m 20s
Lints with Rust beta	3m 15s
Test Rust beta / ubuntu-22.04	2m 48s
Lints with Rust nightly	3m 34s
Test Rust ${{ matrix.rust_version }} / ${{ matrix.os }}	0s
	32m 16s

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